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Problem set. Graph Theory Problems


IDTitleSourceAuthorsDifficulty

1004Sightseeing TripCentral European Olympiad in Informatics 19992315557

1008Image EncodingUSTU PhysTech Cup 20003858334

1016Cube on the WalkUSU Local Contest. 19991677765

1022Genealogical TreeAutumn School Contest 20009426137

1033LabyrinthUral Championship 19995551231

1035Cross-stitchUral Championship 19999911281

1040Airline CompanyUSU Championship 20001291979

1045Funny GameUSU Local Contest. March 20002444513

1056Computer NetNEERC 2000 Central Subregional2389523

1065FrontierNEERC 20008651360

1069Prufer CodeUSU Personal Contest 20012199524

1072RoutingUSU Personal Contest 20012385483

1076Trash1751653

1077Travelling Tours1014408

1080Map ColoringWinter Mathematical Festival Varna 20014479255

1085MeetingSpring School Contest 20011954578

1096Get the Right Route Plate!USU Local Contest. March 20011596672

1099Work Scheduling8001205

1106Two TeamsTetrahedron Team Online Contest May 2001519580

1109ConferenceBulgarian Online Contest September 20011657251

1119MetroAutumn School Contest 2001525879

1124MosaicUSU Championship 20011341310

1128Partition into GroupsUSU Championship 2001983421

1129Door PaintingUSU Championship 2001920450

1136ParliamentNEERC 2001 Central Subregional4131101

1137Bus RoutesNEERC 2001 Central Subregional1373303

1145Rope in the LabyrinthDSAP Vietnam Online Contest November 20011025405

1156Two RoundsUral Championship 2001. Round 21232338

1160NetworkNEERC 2001 Northern Subregional1314322

1162Currency ExchangeNEERC 2001 Northern Subregional886468

1176HyperchannelsUSU Personal Contest 20021129369

1182Team Them Up!NEERC 2001822506

1198Jobbery794551

1199Mouse1023503

1205By the Underground or by Foot?USU Local Contest. March 20021770237

1208Legendary Teams ContestUSU Local Contest. March 20022191191

1210Kind SpiritsAutumn School Contest 20022798152

1218Episode N-th: The Jedi TournamentUSU Championship 20021275331

1227Rally ChampionshipNEERC 2002 Central Subregional1345314

1237Evacuation PlanNEERC 2002452925

1242WerewolfUSU Personal Contest 20031943219

1250Sea BurialUSU Local Contest. March 2003594710

1254Die HardUSU Local Contest. March 2003646653

1270UnicubeUSU Championship 20031732366

1271Sailing DirectionsUSU Championship 2003854557

1272Non-Yekaterinburg SubwayUSU Championship 20032681161

1277Cops and ThievesNEERC 2003 Central Subregional528805

1280Topological SortingNEERC 2003 Central Subregional2758157

1281River BasinNEERC 2003 Central Subregional3091358

1291Gear-wheelsSpring School Contest 20041048412

1301Cube in LabyrinthUral Championship 1998580739

1314Chase in SubwayUral Championship 2004. Round 1829520

1315MDPAR and MIIARUral Championship 2004. Round 12062019

1320Graph DecompositionUral Championship 2004. Round 21358319

1323ClassmatesUral Championship 2004. Round 2527812

1325DirtUral Championship 2004. Round 2745578

1329Galactic HistoryAutumn School Contest 2004921472

1337BureaucracyAutumn School Contest 20042711563

1338AutomobilesUSU Championship 20042431744

1339BabiesUSU Championship 2004458943

1358CablesSpring School Contest 2005754578

1361Spaceology vs. ChronisticsUral Championship 2005. Round 21872244

1367Top SecretUral Championship 2005. Round 21343070

1379Cups TransportationUral Championship 2005. Round 1584747

1392Dreaming of Stars569766

1399Economical Director2610894

1400Cellular CharactersAutumn School Contest 2005806544

1416ConfidentialUSU Championship 20051032424

1419Maps of the Island WorldsUSU Championship 20053171351

1421Credit OperationsTimus Top Coders: First Challenge759558

1434Buses in VasyukiUSU Personal Contest 20063951056

1441From the History of Gringotts BankUral Championship 20063141310

1447Portkey NetworkUral Championship 20063791091

1449Credit Operations 2Timus Top Coders: Second Challenge2891409

1450Russian PipelinesTimus Top Coders: Second Challenge1349310

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest645451

1487Chinese FootballUSU Championship 20063061272

1500Pass LicensesNEERC 2006 Eastern Subregional613641

1505Oil TransferNEERC 2006 Eastern Subregional1282895

1527Bad RoadsPetrozavodsk Winter 2007. D.Gozman Contest2751358

1533Fat HobbitsUSU Personal Contest 20073341121

1544Classmates 3Ural Championship 20073111185

1557Network AttackPetrozavodsk Summer 2007. NSU Contest2141624

1569Networking the “Iset”USU Championship 20073311062

1575Yekaterinburg Subway 2Autumn School Contest 2007381925

1580Dean's DebtsAutumn School Contest 2007399884

1610CactusesUral Championship 20081821791

1623Fractal LabyrinthPetrozavodsk Winter 2008. ITMO Contest923232

1630TalismanUSU Championship 2008343918

1641DutiesAutumn School Contest 2008693459

1643Attack of the Dark FortressAutumn School Contest 2008697457

1651Shortest SubchainNEERC 2008 Eastern Subregional922346

1652Banking CrisisNEERC 2008 Eastern Subregional1192497

1664Pipeline TransportationPetrozavodsk Winter 2008. USU Contest1521958

1676Mortal KombatPetrozavodsk Summer 2008. USU Contest1841625

1691Algorithm ComplexityPetrozavodsk Winter 2009. USU Contest893121

1699Turning TurtlesPetrozavodsk Winter 2009. USU Contest2801065

1709Penguin-AviaUral Championship 20091953156

1721Two Sides of the Same CoinNEERC 2009 Eastern Subregional539526

1742Team buildingPetrozavodsk Summer 2009. Ufa SATU Contest936295

1770The Party of Ural ChampionsUral Championship 20101681526

1806Mobile TelegraphsNEERC 2010 Eastern Subregional405610

1833Hopes of RowingUral Championship 2011852495

1837Isenbaev's NumberUral Championship 2011389261

1847ZamkadyePetrozavodsk Summer 2010. USU Contest473941

1882Old NokiaUral Regional School Programming Contest 2011742639

1888Pilot Work ExperienceNEERC 2011 Eastern Subregional547397

1905Travel in TimeUral Championship 2012196929

1912Titan Ruins: Passing through WallsNEERC 2012 Eastern Subregional224815

1930Ivan's CarUral Regional School Programming Contest 20121050179

1934Black SpotUral FU Championship 2012613303

1966Cycling RoadsUral FU Personal Contest 2013275599

1980Road to InvestorUral Championship 2013297545

1982Electrification PlanUral FU Championship 20131248128

2013Neither shaken nor stirredNEERC 2014 Eastern Subregional186678

2017Best of a bad lotNEERC 2014 Eastern Subregional127969

2030Awesome Backup SystemUral Regional School Programming Contest 2014321398

2034CaravansUral Regional School Programming Contest 2014474272

2038Minimum Vertex CoverPetrozavodsk Summer 2014. Ural FU Dandelion Contest601859

2055Urban GeographyUral Championship 2015891183

2093All Roads Lead to SnowdriftUral FU Personal Contest 2014731020